Water mat



FIG. 1 is a front, right, and top perspective view of a water mat, showing my design.

FIG. 2 is a rear, left, and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a partial enlarged view of an area labeled 9 in FIG. 1 comprising a protrusion.

The broken lines framing portions of the claimed design that are illustrated for enlargements form no part of the claimed design. 

CLAIM The ornamental design for a water mat, as shown and described. 